Environmental Studies · Geography

Water Conservation and Management

2,859 Questions

Water conservation and management questions evaluate techniques for preserving water resources, traditional harvesting methods, and modern irrigation systems. Topics include wastewater treatment, groundwater extraction, and the economic role of wetlands. These concepts are essential for environmental studies and geography exams.

Irrigation MethodsWater HarvestingWastewater ManagementHydropower PlantsWetlands ConservationUrban Water Quality

Water Conservation and Management Questions

Multiple choice evs - i flow of water irrigation irrigation and its types irrigation and types

Drip irrigation belongs to which category of irrigation method?

  1. Sprinkler

  2. Surface

  3. Localized

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Drip irrigation is a method in which water flows through special pipes called drip pipes. It is a micro-irrigation system in which large pipes are used to distribute water into the fields. It has the potential to supply water and nutrients to the soil.

So, the correct option is 'Localized'.

Multiple choice evs - i flow of water irrigation irrigation and its types irrigation and types

In which of the following areas the sub irrigation is used?

  1. High water tables

  2. Low water tables

  3. Moist soil

  4. No water at all
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sub-irrigation system is the process in which the water is passed through roots of the plants. It is also know as seepage irrigation. In commercial landscaping sub-irrigation system is located below in a box or a container.

So, the correct option is 'High water tables'.

Multiple choice evs - i flow of water irrigation irrigation and its types irrigation and types

.......... system involves wetting of agricultural lands and infiltration of soil.

  1. Surface irrigation

  2. Drip irrigation

  3. Sprinkler

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Surface irrigation is a method of irrigation in which water is supplied by gravity flow over the surface of the land. In this method either the whole surface is supplied or the fields are wet with the help of pipes.

So, the correct option is 'Surface irrigation'.

Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

.......... is the artificial application of water to the land or soil.

  1. Ploughing

  2. Irrigation

  3. Rainwater farming

  4. Tilling
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Irrigation is a system or process of supplying water to the fields where the crops are being grown.It was started due to the deficiency of rainfalls . Irrigation also makes the soil more fertile and nourishes the crop. It is the artificial method of supplying water into the fields.

So, the correct option is 'Irrigation'.

Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

Dhekli method of irrigation is not as popular as other methods of irrigation because

  1. It wastes lots of water

  2. It is a time consuming method

  3. It is not a cost effective

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Dhekli is a method where water is taken directly from the wells with the help of a pulley. It is a manual method of irrigation. The main disadvantage of this method is that it wastes a lot of water. It is less practised than other systems of irrigation.

So, the correct option is 'It wastes lots of water'.

Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

Rahat system of irrigation requires

  1. A large well in which rope and container are used

  2. A large well in which wheel is used

  3. A small well which is connected with pipes

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Rahat is the system which uses animals as the labour it is an old type of method where oxen were used a wheel was tied to them and turned by them to get the water out of the well.

So, the correct option is 'A large well in which wheel is used'.

Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

Which of the following irrigation system used rope, container and well?

  1. Dhekli

  2. Moat

  3. Drip irrigation

  4. Chain pump
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Dhekli is a traditional system of irrigation which is mainly seen in rural areas. In this system, ropes and a container are used to get water from a well to irrigate the land.
Moat is a manual irrigation method by which water is directly taken out of wells with the help of pulley and is used to irrigate fields. 
Drip irrigation is a form of irrigation that saves water and fertilizer by allowing water to drip slowly to the roots of many different plants, either onto the soil surface or directly onto the root zone, through a network of valves, pipes, tubing, and emitters.
The chain pump is type of a water pump in which several circular discs are positioned on an endless chain. One part of the chain dips into the water, and the chain runs through a tube, slightly bigger than the diameter of the discs.
So, the correct answer is option A.
Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

.......... is used to bring bucket of water where the water is needed.

  1. Moat

  2. Rahat

  3. Dhekli

  4. Chain pump
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Moat system of irrigation involves the process of taking out of water directly from the well and supplied to the irrigation field. It consists a bucket tied to a rope attached to the well by pulley system. 

So, the correct option is 'Moat'.

Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

Which of the following system is useful to lift water from the depth of 6 meters?

  1. Rahat

  2. Chain pump

  3. Dhekli

  4. Moat
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chain pump system consists of two large wheels tied at both ends with a chain where the whee; is rotated using the chain and water is filled in the buckets and poured of into the field. It has the capacity to lift up water upto  a depth of approx 10m.

So, the correct option is 'Chain pump'.

Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

Which of the following irrigation method consists circular discs?

  1. Rahat

  2. Dhekli

  3. Chain pump

  4. Pulley system
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Chain pump system consists of two large wheels tied at both ends with a chain where the wheel is rotated using the chain and water is filled in the buckets and poured off into the field. The wheel is rotated with the help of circular discs which are positioned at the end of the chains.

So, the correct option is 'Chain pump'.

Multiple choice evs - i flow of water irrigation irrigation and its types irrigation and types

Which method of irrigation is as similar as rainfall?

  1. Drip irrigation

  2. Channel pump

  3. basin irrigation

  4. Sprinkler
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
A. Drip irrigation is a system of a micro-irrigation system that allows the water to drip slowly to the roots of the plants. It is done in places where water is scarce.  
B. Channel irrigation allows irrigation over large areas, with large volumes of water.
C. Basin irrigation is a type of surface irrigation where water is applied and distributed over the soil surface by gravity.
D. A sprinkler is the method of irrigation by applying water similar to rainfall in a controlled manner.
So the correct option is 'Sprinkler'.

Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

Which of the following is used maximum for lifting water from wells?

  1. Persian wheel (Rahat)

  2. Swing basket (Bedi)

  3. Dhenkuli

  4. Don
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  • Rahat system of irrigation is a way to get water from a well in which large wheels are used. It is tied to oxen and is turned by them to get water out of the wells. 
  • As many wheels are used in this system so it can lift up much water into the field. 

So, the correct option is 'Persian wheel (Rahat)'.

Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

Which of the following is used for lifting water from 8-10 m depth?

  1. Washer Rahat

  2. Hand pump

  3. Mayadar lift

  4. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

(A) Washer Rahat is the oldest system of irrigation system where animals are used to get water out of the well. It is made up of wheel and buckets attached to it with a chain. It can lift water up to 1-3 m depth

(B) Hand pumps are used in sprinkler irrigation systems. A hand pump can lift up water less than 7 m depth.
(C) Mayadar lift is a type of irrigation system in which water is lifted by an external force.
So, the correct answer is 'None of the above'

Multiple choice evs flow of water irrigation irrigation and its types irrigation and types

........... allows the control of flow of water during irrigation.

  1. Rahat

  2. Pulley system

  3. Lever system

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lever systems allow the user to control the speed of irrigation by choosing slow, medium or fast water flow; however, the lever system method is not as ancient, or inexpensive, as other methods. 

Therefore, the correct answer is option C.